...lower your expectations.
...it probably wasn't worth bothering with anyway.
...it's quite possible that you are way too evolved to be debasing yourself with such matters.
...perhaps you should have applied yourself more. I mean, how hard can it be to make a woman achieve orgasm?
...you should really have a look at the instruction manual.
...try it again but this time with your eyes open.
...ask for help. I mean, that's why you pretend to be good at working in a team in your job - to give yourself a bunch of people who may actually know what they're doing to take the pressure off of you.
Feel free to add your own!